(3GbJUGOjGJ GdJfejI (B/ s - (3gGLf, GajQjJs; (3LhQL NhQi (B((3eJQLe(B)s ([S.N] : (3eQcR GdcJH GdGQOfi , s, 1988)
Keywords: (3GdGbJUGOs; (3GdJYdjes; (3GdRQGYIs; (3GdJfejI GdGbJUGOjIs; (3GdScGfs; (3GdUfGYIs; (3GdMcheIs; (3QGS GdeGds